Reference : Sensitivity to tactile novelty in the terrestrial isopod, Porcellio scaber
Scientific journals : Article
Social & behavioral sciences, psychology : Animal psychology, ethology & psychobiology
http://hdl.handle.net/2268/133497
Sensitivity to tactile novelty in the terrestrial isopod, Porcellio scaber
English
Anselme, Patrick mailto [Université de Liège - ULg > Département de Psychologie : cognition et comportement > Neuroscience comportementale et psychopharmacologie expér. >]
2013
Behavioural Processes
Elsevier Science
92
1
52-59
Yes (verified by ORBi)
International
0376-6357
Amsterdam
The Netherlands
[en] Woodlice ; Novelty ; Preference ; Habituation ; Tactile stimulation
[en] Invertebrates have been studied at biochemical, ecological, and behavioural levels, but current knowledge about the impact that learning may have on behaviour is rather sparse. The present study aimed to examine the sensitivity of isolated rough woodlice (Porcellio scaber Latreille 1804) to the tactile novelty of their environment. A simple way to test this issue was to refer to the place preference paradigm, traditionally used in vertebrates. In Experiment 1, woodlice were placed in a compartment for 30 min in order to assess their ability to develop habituation in the absence of reward. In Experiment 2, woodlice were exposed to a compartment for 20 min (habituation phase) and were then given free choice between that compartment and a novel compartment for 2 min (preference phase). Depending on test conditions, rewards (humidity and/or shelter) were present or absent in the familiar compartment. The familiar and novel compartments differed with respect to the texture of the floor. In Experiment 3, the floor texture was the same in the two compartments in order to control for a novelty effect. The main results indicate that woodlice exhibited increased locomotion time, increased distance travelled, and increased speed in the novel compartment compared to the familiar compartment. There was no preference for either compartment when the floor textures of both were identical.
Researchers
http://hdl.handle.net/2268/133497
10.1016/j.beproc.2012.10.007

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